OOIR: Observatory of International Research

Papers

(The H4-Index of American Journal of Gastroenterology is 41. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-08-01 to 2025-08-01.)

Article	Citations
S1486 Outcomes of a Duodenoscope Surveillance Culture Protocol in Response to a Carbapenem-resistant Enterobacteriacea Outbreak	597
S2085 Rare Case of Small Cell Carcinoma of the Rectum	321
S3306 Acute Cholestatic Hepatitis Due to Rhinovirus-Induced Hemophagocytic Lymphohistiocytosis: A Case Report	252
S2179 A Case of Anorectal Junction Melanoma	185
S2314 Esophageal Schwannoma: An Important Differential Diagnosis for Esophageal Subepithelial Lesions	152
S2938 Autoimmune Hepatitis Triggered by Acute Liver Failure Caused by Hepatitis A	122
S643 Gastric Polyps: Examining Adherence to Polypectomy Guidelines and the Role of Demographic and Clinical Data in Endoscopic Management	108
S2795 Closure of an Iatrogenic Duodenal Perforation Using a Novel Tack and Suturing System	108
S884 Limited Representation of Patients With Crohn's Disease-Related Complications in Randomized Clinical Trials	108
S3116 Novel Nodules: A Previously Unreported Manifestation of Aicardi-Goutières Syndrome	106
S3552 Herpes Gastritis: A Rare Cause of Gastric Outlet Obstruction	101
S219 The Outcomes of Clostridioides difficile Infection in Patients With and Without History of Bariatric Surgery	96
S1394 Outcomes of Concomitant Opiate Use in Patients With Nonalcoholic Fatty Liver Disease (NAFLD)	94
S985 Adherent-Invasive Escherichia coli Strain O83:H1 Induces Inflammatory Response in Crohn's Disease	93
S1790 Portal Biliopathy in a Patient Who Underwent a Whipple Procedure With Portal Vein Reconstruction	89
S1666 Hepatolithiasis Caused by Right Hepatic Artery Branches Forming an Arterial Ring Compressing the Common Hepatic Duct	87
S3634 Menetrier Disease: A Case Report	86
S329 Comparison of the Effect of a Positive Stool DNA Test on Mucosal Inspection Time to Average Risk Screening Colonoscopy	85
S1652 Treatment and Eradication of Helicobacter pylori at a Safety Net Hospital	72
S1180 Doppler Ultrasound of the Portal Vein Assessed via Artificial Intelligence With and Without AFP Can Identify Hepatocellular Carcinoma	71
S2484 ColoWrap Device Facilitates Successful Colonoscopy in Patient With Prior Incomplete Colonoscopy Due to Looping and Adhesions	67
S415 Provider Beliefs, Practices, and Perceived Barriers to Dietary Elimination Therapy in Eosinophilic Esophagitis	63
S712 Benefits of High versus Low Dose Upadacitinib as Maintenance Treatment in Ulcerative Colitis Patients Who Were Responders to 8-week Induction with Upadacitinib: Results From the U-ACHIEVE Phase 3	61
S1118 Safety and Efficacy of the Novel EndoRotor Device for the Treatment of Walled-Off Pancreatic Necrosis (WOPN): A Systematic Review and Meta-Analysis	58
S1943 An Unusual Liver Tumor	58

S2450 Acute Esophageal Necrosis: Low Flow Leading to Darkness	57
S1307 Provider Perceptions of Code Status for Patients With End-Stage Liver Disease	57
S1186 Mild Thrombocytopenia as a Predictor of Surgical Outcomes Following Cholecystectomy: A Tool for Perioperative Assessment in Patients With Non-Alcoholic Fatty Liver Disease?	54
S1824 Recurrent Shock in a 31-Year-Old Woman With Chronic Pancreatitis and Cirrhosis	54
S2198 A Rare Case of Metastatic Primary Rectal Melanoma in a Geriatric Patient	51
S190 Complete Colonoscopy vs Flexible Sigmoidoscopy to Diagnose Microscopic Colitis	50
S1535 Common Variable Immunodeficiency-Like Enteropathy Associated With Rituximab B-Cell Depletion Therapy	49
S297 Missed Opportunities in Colorectal Cancer Screening Education: An Analysis of NCI-Designated Cancer Center Website Content	47
S1522 The Price of Starting Docusate	47
S2551 Gone to Guts: A Case of Osteosarcoma With Metastasis to Upper and Lower Gastrointestinal Tract Presenting as Recurring Bleeding	47
S2775 The Use of IVIG in a Patient With Uncontrolled Crohn’s Disease Being Treated for Bacteremia	44
S458 Site of Luminal Narrowing Affects Likelihood of Successful Dilation When Ultra-Thin Endoscopes Are Required	43
S834 Improvement in Fatigue With Mirikizumab Therapy Is Associated With Clinical Remission and Pain Improvements but Not With Endoscopic Response in Patients With Moderately-to-Severely Active Crohn’s	43
S3655 Pyogenic Granuloma Found in the Duodenum: A Rare Etiology	43
S2676 A Case of Hemorrhagic Cholecystitis and Bleeding Duodenal (Ulcer): A Rare Coincidence!	42
S2075 Mixed Adeno-Neuroendocrine Carcinoma (MANEC) of Colon: Rare Differential Diagnosis for Iron Deficiency Anemia	41